C8051F850-C-IMR

Overview

The C8051F850-C-IMR is an 8-bit microcontroller from the C8051F85x family, featuring a high-speed CIP-51 core operating at up to 25 MHz. It integrates 8 kB of in-system programmable Flash memory and 512 Bytes of RAM. The device includes a 12-bit ADC with up to 16 channels, two analog comparators, and communication interfaces including UART, I2C/SMBus, and SPI. It operates within a supply voltage range of 2.2 V to 3.6 V and supports industrial temperature ranges from -40°C to +125°C.

Feature Summary

• High-performance CIP-51 core with pipelined architecture delivering up to 25 MIPS throughput.
• Integrated on-chip debug circuitry enabling full-speed, non-intrusive in-system debugging without external emulators.
• Mixed-signal capabilities including a 12-bit ADC with multiple input channels and dual analog comparators with programmable hysteresis.
• Comprehensive peripheral set featuring four 16-bit timers, a Programmable Counter Array (PCA), and standard serial communication interfaces.

Applications

• Battery chargers
• Electronic toys and games
• Motor control systems
• Optical communications

Procurement Notes

Verify component authenticity through official Silicon Labs channels or authorized distributors. Confirm that the specific ordering suffix matches the required package type and temperature grade. Check for current availability status as this model may be subject to lifecycle changes. Ensure compatibility with existing design specifications regarding voltage levels and pin configurations before procurement.

Selection Notes

Select this MCU for applications requiring a cost-effective 8-bit solution with integrated analog peripherals. Consider the C8051F850-C-IMR when system constraints demand low power consumption alongside moderate processing speed. Evaluate the available GPIO count and communication interface requirements against the specific needs of the target application to ensure optimal resource utilization.

Part Context

This component belongs to the C8051F85x/86x family of low-cost 8-bit MCUs by Silicon Laboratories. The series is characterized by its mixed-signal integration and robust feature set designed for embedded control applications. The C8051F850 variant specifically offers 8 kB of Flash and 512 Bytes of RAM, positioning it within the mid-range of the family's memory configurations.

Replacement Considerations

Consult the manufacturer's documentation for officially confirmed substitute part numbers. Verify functional equivalence and pin compatibility before transitioning to alternative components within the same product line.

FAQ

What is the maximum system clock frequency supported by the C8051F850-C-IMR?

The device supports a maximum system clock frequency of 25 MHz.

Does the C8051F850-C-IMR support in-system programming?

Yes, the Flash memory is in-system programmable in 512-Byte sectors.

What are the available internal oscillator options for this MCU?

The MCU features an internal high-frequency oscillator calibrated to 24.5 MHz and an internal low-frequency oscillator operating at 80 kHz nominal.